org.apache.flink.runtime.blob

Class TransientBlobKey

java.lang.Object

org.apache.flink.runtime.blob.TransientBlobKey

All Implemented Interfaces:

Serializable, Comparable<org.apache.flink.runtime.blob.BlobKey>

public final class TransientBlobKey
extends Object

BLOB key referencing transient BLOB files.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	SIZE Size of the internal BLOB key in bytes.

Constructor Summary

Constructors

Constructor and Description
TransientBlobKey() Constructs a new BLOB key.

Method Summary

Modifier and Type	Method and Description
void	addToMessageDigest(MessageDigest md) Adds the BLOB key to the given MessageDigest.
int	compareTo(org.apache.flink.runtime.blob.BlobKey o)
boolean	equals(Object obj)
byte[]	getHash() Returns the hash component of this key.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SIZE

public static final int SIZE

Size of the internal BLOB key in bytes.

See Also:

Constant Field Values

Constructor Detail

TransientBlobKey

@VisibleForTesting
public TransientBlobKey()

Constructs a new BLOB key.

Method Detail

getHash

@VisibleForTesting
public byte[] getHash()

Returns the hash component of this key.

Returns:

a 20 bit hash of the contents the key refers to

addToMessageDigest

public void addToMessageDigest(MessageDigest md)

Adds the BLOB key to the given MessageDigest.

Parameters:

md - the message digest to add the BLOB key to

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(org.apache.flink.runtime.blob.BlobKey o)

Specified by:

compareTo in interface Comparable<org.apache.flink.runtime.blob.BlobKey>